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Mazatlán stretches along 21 kilometers of Pacific coastline in the state of Sinaloa, combining a restored 19th-century historic center, one of the world’s highest lighthouses, and a resort-lined Golden Zone that draws tourists from across North America. The city averages 26°C (79°F) year-round with a long dry season from November through May, and it hosts the third-largest Carnaval celebration in the world each winter. Whether you are here for the beaches, the sport fishing, the colonial architecture, or the seafood, the city splits neatly into walkable zones connected by the iconic malecón and its open-air pulmonía taxis.
Weather at a Glance
Mazatlán has a tropical savanna climate with distinct dry and wet seasons. The dry season runs from November through May, with average highs of 28°C to 35°C (82-95°F), minimal rainfall (3mm to 18mm per month), and sea temperatures from 22°C to 26°C (72-79°F). The rainy season spans July to September, bringing 180mm to 215mm of rain per month, high humidity (78-80%), and the warmest sea temperatures at 30°C (86°F). For a complete month-by-month breakdown with a climate data table, see our Mazatlán weather by month guide.
Seasonal Snapshot
- Winter (December to February): The most comfortable season with highs of 28-29°C (82-84°F), cool evenings dropping to 13°C (55°F), and nearly zero rain. Peak whale-watching season with humpbacks migrating past the coast. Hotel rates peak over Christmas and New Year but drop in January after the holidays.
- Spring (March to May): Temperatures climb steadily from 31°C to 35°C (88-95°F) with the driest conditions of the year. March brings spring break crowds, and the Easter week (Semana Santa) packs every beach and hotel. By May, the heat and humidity are building but rain has not yet arrived.
- Summer (June to August): The rainy season arrives in June and peaks in August, which is the wettest month at 215mm. Highs reach 35°C (95°F), sea temperatures hit 30°C (86°F), and humidity stays at 78-80%. Mornings are often sunny with rain falling as afternoon downpours. Hotel rates bottom out in August, making this the cheapest time to visit if you can handle the humidity.
- Fall (September to November): September remains wet (195mm) with hurricane risk peaking in the first half of the month. October is the transition month with rain tapering off and cooler evenings returning. By November, the dry season is back with pleasant highs of 30°C (86°F) and low humidity; this is one of the best months for outdoor activities.
Mazatlán Travel Guides
- Mazatlán weather by month: Month-by-month temperatures, rainfall, sea temperatures, and sunshine hours with a comparison table covering all 12 months.
- best time to visit Mazatlán: When to go for good weather, low prices, fewer crowds, and major events like Carnaval, plus months to avoid and why.
- things to do in Mazatlán: El Faro lighthouse hike, Plaza Machado and Centro Histórico, Playa Olas Altas, Isla de la Piedra, sport fishing, museums, and the Mercado Pino Suárez with prices and hours.
- Mazatlán events and festivals: Carnaval de Mazatlán (the world’s third-largest), Semana Santa, fishing tournaments, film festival, Independence Day, and Día de los Muertos with dates and details.
- best neighborhoods in Mazatlán: Centro Histórico, Zona Dorada, Marina Mazatlán, Cerritos, and El Delfín compared by vibe, price, and traveler type.
- where to stay in Mazatlán: Hotel recommendations across the Zona Dorada and Centro Histórico with luxury, mid-range, and budget options and Booking.com links for each area.
- Mazatlán travel tips: Airport information, pulmonía taxi costs, safety, tap water, tipping customs, visa requirements, and day trip recommendations.
Location and Climate Influences
Mazatlán sits at the southern end of the Gulf of California, where the Pacific Ocean meets the Sea of Cortez, roughly level with the Tropic of Cancer (23.2 degrees north latitude). The Sierra Madre Occidental mountain range runs parallel to the coast about 50 kilometers inland, shielding the city from continental weather systems and keeping the climate consistently tropical. The city’s west-facing orientation means Pacific swells deliver consistent surf to Playa Brujas and Cerritos during the summer months, while the protected bay near the cruise terminal remains calm year-round. Water temperatures stay warm because of the shallow continental shelf and the inflow from the Gulf of California.
Quick Facts
- Best months for beaches: November, March, and April. Warm water, minimal rain, and manageable crowds outside holiday periods.
- Warmest month: July (high 35°C / 95°F, sea 30°C / 86°F).
- Coolest month: January (high 28°C / 82°F, low 13°C / 55°F).
- Wettest month: August (215mm / 8.5 inches, roughly 16 rainy days).
- Driest month: March (3mm / 0.1 inches).
- Sea temperature range: 22°C (72°F) in February to 30°C (86°F) in August.
- Annual sunshine: Approximately 2,800 hours.
- Hurricane risk: August through October, peaking in early September. Direct hits are rare; the last major landfall was in 1957.
- Population: Approximately 500,000 in the urban area.
- Time zone: Mountain Standard Time (UTC-7), no daylight saving. Same as Denver in winter, one hour behind Mexico City year-round.
Suggested Hotels in Mazatlán
Pueblo Bonito Mazatlán Beach Resort
A 5-star all-inclusive resort directly on Playa Gaviotas in the Zona Dorada with suites featuring private balconies, multiple pools, and several on-site restaurants. Best for couples and families wanting a full-service luxury beachfront experience. Check rates and availability
El Cid Castilla Beach
A well-established mid-range resort in the heart of the Zona Dorada with a large pool complex, tennis courts, kids’ club, and multiple dining options. Shares facilities with the adjacent El Cid El Moro tower. Best for families seeking resort convenience at a moderate price. Check rates and availability
Costa de Oro Beach Hotel
A budget-friendly beachfront hotel on Playa Gaviotas with an ocean-facing pool, private balconies in every room, and an on-site restaurant. One of the best value-for-money beachfront options in the Zona Dorada. Best for budget-conscious travelers who still want to wake up to the sound of the Pacific. Check rates and availability